Side Effects: Stinging, burning, itching, irritation, dryness, or redness of the skin may occur when this medication is first applied to the skin. These effects should disappear in a few days as . Betaderm ointment is used to reduce redness, itching and swelling associated with skin conditions that include eczema, dermatitis, allergies and rashes. WebMD states that Betaderm is classified as a medium-strength corticosteroid. Betaderm is formulated for use on the skin only, states WebMD. It should not be used on the face, groin or underarms unless specifically directed by a doctor. Before applying Betaderm ointment, it is important to clean and dry the affected area. Betaderm should be . The effect of BETADERM may be increased, if necessary, in the more resistant lesions, by occlusive dressings. Precautions: – Conditions that enhance systemic absorption include use over large surface areas, prolonged used, and the addition of occlusive dressings .. Betaderm Ointment 0.1% is also used to treat skin conditions because of how rarely people experience side effects. Buy Betaderm Ointment 0.1% today from YouDrugstore and get safe treatment for your skin condition.. Interaction between Betaderm and Diprosone: There is no known interaction between Betaderm and Diprosone in our records. However, an interaction may still exist. Always consult your doctor before taking these medications together. Do not stop taking the medications without a physician's advice.. Betaderm A Ointment contains two active substances, betamethasone and salicylic acid. Betamethasone is an anti-inflammatory agent, a corticosteroid. When used locally, it reduces inflammation of the skin and manifests as redness, swelling, itching and allergic skin reactions..